Yamaha EF2200iS vs Firman W01682

Comparison Overview

Key takeaways

• Yamaha EF2200iS delivers 1800 running watts and 2200 starting watts for more headroom.
• Firman W01682 provides 1600 running watts and 2000 starting watts for lighter-duty needs.
• Firman W01682 is lighter at 45.9 lb, Yamaha EF2200iS weighs 55.2 lb.
• Noise ratings favor Firman W01682 at 54 dB versus Yamaha EF2200iS at 57 dB.
• Both are inverter generators, better for electronics than traditional open-frame models.
• Both include a 3-year warranty and similar light-load runtime at 25%.

Best use cases

Choose the Yamaha EF2200iS if you want the most flexibility from a small inverter generator. With 2200 starting watts and 1800 running watts, it is better suited to situations where motors cycle on and off, like a refrigerator, a small chest freezer, a furnace blower, or a sump pump that is on the edge of what compact inverters can handle. For light home backup, that extra surge margin can reduce nuisance overload trips when you are running a fridge plus a few lights and chargers. It also makes sense for RV owners who want a bit more cushion for battery charging and intermittent loads, even if you are not trying to run a full-size air conditioner.

Choose the Firman W01682 if portability and neighbor-friendly operation matter most. At 45.9 lb and 54 dB, it is easier to lift into a trunk, move around a campsite, or store in an RV compartment. Its 2000 starting watts and 1600 running watts are a strong match for camping essentials, tailgating, charging tool batteries, powering a TV, router, lights, and small kitchen appliances one at a time. It can also work for short outage coverage if you keep expectations realistic, think “one major load at a time” rather than trying to run several household circuits.

Both are gasoline inverter models with similar light-load runtime (10.5 hours vs 9 hours at 25%) and the same 3-year warranty, so the tradeoff is mainly Yamaha’s extra power and runtime versus Firman’s lighter weight and slightly lower noise.

Verdict & recommendation

If your priority is maximum capability in a compact inverter, the Yamaha EF2200iS is the safer pick thanks to 2200 starting watts and 1800 running watts, which helps with compressor and motor starts during home backup or mixed-load RV use. If your priority is easy transport and a slightly quieter campsite experience, the Firman W01682 stands out at 45.9 lb and 54 dB, while still providing enough power for typical camping and light emergency needs.

Because both are inverter generators with a 3-year warranty and similar light-load runtime, the best choice comes down to whether you value extra power headroom (Yamaha) or lighter, quieter convenience (Firman) for the way you actually plan to use it.